Wenqing's personal site

Wenqing Ouyang

Email: wo2205@columbia.edu

I am currently a Postdoc Research Scientist working with Prof. Cedric Josz at Columbia University. I got my PhD in Data Science from The Chinese University of Hong Kong (Shenzhen) at 2024, under the supervision of Prof. Andre Milzarek . From Sep 2023 to June 2024, I was a research associate at The Hong Kong Polytechnic University (PolyU) working with Prof. Ting Kei Pong. From July 2024 to Sep 2024, I was a research assistant at The University of Hong Kong (HKU) working with Prof. Man-Chung Yue. Previously, I obtained my bachelor degree and master degree in Computational Mathematics both from University of Science and Technology of China at 2017 and 2020, respectively. My Master's advisor is Prof. Ligang Liu. My research interests mainly include nonsmooth optimization, second-order theory, and splitting algorithms. I also did some research on computer graphics.

Publications:

Wenqing Ouyang, Yang Liu, Andre Milzarek. Descent properties of an Anderson accelerated gradient method with restarting[J]. SIAM Journal on Optimization, 2024, 34(1): 336-365.

Wenqing Ouyang, Yuncheng Liu, Ting Kei Pong, Hao Wang. Kurdyka-Lojasiewicz exponent via Hadamard parametrization[J]. SIAM Journal on Optimization, 2025, 35(1): 62-91.

Wenqing Ouyang, Andre Milzarek. A trust region-type normal map-based semismooth Newton method for nonsmooth nonconvex composite optimization[J]. Mathematical Programming, 2024: 1-47.

Wenqing Ouyang, Jiong Tao, Andre Milzarek, Bailin Deng. Nonmonotone globalization for Anderson acceleration via adaptive regularization[J]. Journal of Scientific Computing, 2023, 96(1): 5.

Mo Li, Qing Fang, Wenqing Ouyang, Ligang Liu, Xiao-Ming Fu. Computing sparse integer-constrained cones for conformal parameterizations[J]. ACM Transactions on Graphics (TOG), 2022, 41(4): 1-13.

Zheng-Yu Zhao, Qing Fang, Wenqing Ouyang, Zheng Zhang, Ligang Liu, Xiao-Ming Fu. Developability-driven piecewise approximations for triangular meshes[J]. ACM Transactions on Graphics (TOG), 2022, 41(4): 1-13.

Qing Fang, Wenqing Ouyang, Mo Li, Ligang Liu, Xiao-Ming Fu . Computing sparse cones with bounded distortion for conformal parameterizations[J]. ACM Transactions on Graphics (TOG), 2021, 40(6): 1-9.

Wenqing Ouyang, Yue Peng, Yuxin Yao, Juyong Zhang, Bailin Deng. Anderson acceleration for nonconvex ADMM based on Douglas-Rachford splitting[C]//Computer Graphics Forum. 2020, 39(5): 221-239.

Juyong Zhang*, Yue Peng*, Wenqing Ouyang*, Bailin Deng. Accelerating ADMM for efficient simulation and optimization[J]. ACM Transactions on Graphics (TOG), 2019, 38(6): 1-21. (Co-first author.)

Yucheng Sun, Wenqing Ouyang, Zhongyuan Liu, Ning Ni, Yann Savoye, Peng Song, Ligang Liu. Computational design of self-actuated deformable solids via shape memory material[J]. IEEE Transactions on Visualization and Computer Graphics, 2020, 28(7): 2577-2588.

Preprints:

Wenqing Ouyang, Andre Milzarek. Variational Properties of Decomposable Functions. Part I: Strict Epi-Calculus and Applications. arXiv preprint arXiv:2311.07267, 2023. (Submitted to SIAM Journal on Optimization, major revision).

Wenqing Ouyang, Andre Milzarek. Variational Properties of Decomposable Functions Part II: Strong Second-Order Theory[J]. arXiv preprint arXiv:2311.07276, 2023. (Submitted to SIAM Journal on Optimization, major revision).

Wenqing Ouyang, Ting Kei Pong, Man-Chung Yue. Burer-Monteiro factorizability of nuclear norm regularized optimization[J]. arXiv preprint arXiv:2505.00349, 2025. (Submitted to Mathematical Programming).

Wenqing Ouyang, Kurdyka-\L ojasiewicz exponent via square transformation[J]. arXiv preprint arXiv:2506.10110v2, 2025.

Awards:

2021-2022 Shenzhen Institute of Artificial Intelligence and Robotics for Society(AIRS) fellowship for talented doctoral students

2020-2022 Shenzhen Research Institute of Big Data(SRIBD) fellowship

2023-2024 Guotai Jun'an scholarship

2024 Presidential Award for Outstanding Doctoral Students, The Chinese University of Hong Kong, Shenzhen.

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